"""
Copyright (c) 2022 Huawei Technologies Co.,Ltd.

openGauss is licensed under Mulan PSL v2.
You can use this software according to the terms and conditions of the Mulan PSL v2.
You may obtain a copy of Mulan PSL v2 at:

          http://license.coscl.org.cn/MulanPSL2

THIS SOFTWARE IS PROVIDED ON AN "AS IS" BASIS, WITHOUT WARRANTIES OF ANY KIND,
EITHER EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO NON-INFRINGEMENT,
MERCHANTABILITY OR FIT FOR A PARTICULAR PURPOSE.
See the Mulan PSL v2 for more details.
"""
"""
Case Type   : 功能
Case Name   : dss故障:主/备 可直接拉起
Create At   : 2023/04/19
Owner       : opentestcase043
Description :
        1.查询集群状态
        2.主备分别查询dss进程
        3.kill掉dss进程，然后停掉数据库集群
        4.重新拉起集群
        5.查询集群状态
        6.清理环境
Expect      :
        1.集群状态正常
        2.查询成功
        3.成功
        4.成功
        5.集群状态正常
        6.清理环境成功
History     :
"""

import os
import unittest

from testcase.utils.Common import Common
from testcase.utils.CommonSH import CommonSH
from testcase.utils.Constant import Constant
from testcase.utils.Logger import Logger
from yat.test import Node

LOG = Logger()
Primary_SH = CommonSH('PrimaryDbUser')


@unittest.skipIf(1 == Primary_SH.get_node_num(), '单机环境不执行')
class ShareStorage(unittest.TestCase):

    def setUp(self):
        LOG.info('-----this is setup-----')
        LOG.info(f'-----{os.path.basename(__file__)} start-----')
        self.con = Constant()
        self.com = Common()
        self.pri_node = Node('PrimaryDbUser')
        self.s1_sh = CommonSH('Standby1DbUser')
        self.s1_node = Node('Standby1DbUser')

    def test_share_storage(self):
        text = '-----step1:查询集群状态; expect:集群状态正常-----'
        LOG.info(text)
        status = Primary_SH.exec_cm_ctl('query', '-Cv')
        LOG.info(status)
        self.assertIn('cluster_state   : Normal', status, '执行失败:' + text)
        res = status.splitlines()[-1].split('|')[0].split('6001')[1]
        self.assertIn('P Primary Normal', res, '执行失败:' + text)

        text = '-----step2:主备分别查询dss进程; expect:成功-----'
        LOG.info(text)
        pri_dss_pid = self.com.get_pid(self.pri_node, 'dssserver')
        self.assertNotEqual('', pri_dss_pid, '执行失败:' + text)
        s1_dss_pid = self.com.get_pid(self.s1_node, 'dssserver')
        self.assertNotEqual('', s1_dss_pid, '执行失败:' + text)

        text = '-----step3:kill掉dss进程，然后停掉数据库集群; expect:成功-----'
        LOG.info(text)
        cmd = f"kill -9 {pri_dss_pid}"
        LOG.info(cmd)
        status = self.pri_node.sh(cmd).result()
        LOG.info(status)
        self.assertEqual('', status, '执行失败:' + text)
        cmd = f"kill -9 {s1_dss_pid}"
        LOG.info(cmd)
        status = self.s1_node.sh(cmd).result()
        LOG.info(status)
        self.assertEqual('', status, '执行失败:' + text)
        status = Primary_SH.exec_cm_ctl('stop')
        LOG.info(status)
        self.assertIn(self.con.cm_stop_success_msg, status, '执行失败:' + text)

        text = '-----step4:重新拉起集群; expect:成功-----'
        LOG.info(text)
        status = Primary_SH.exec_cm_ctl('start', '-t 60')
        LOG.info(status)
        self.assertIn(self.con.cm_start_success_msg, status, '执行失败:' + text)

        text = '-----step5:查询集群状态; expect:集群状态正常-----'
        LOG.info(text)
        status = Primary_SH.exec_cm_ctl('query', '-Cv')
        LOG.info(status)
        self.assertIn('cluster_state   : Normal', status, '执行失败:' + text)

    def tearDown(self):
        text = '-----this is tearDown-----'
        LOG.info(text)
        text = '-----step6:清理环境; expect:清理环境成功-----'
        LOG.info(text)
        status1 = Primary_SH.exec_cm_ctl('start', '-t 60')
        status2 = Primary_SH.exec_cm_ctl('switchover', '-a')
        LOG.info(status1)
        LOG.info(status2)
        self.assertIn(self.con.cm_start_success_msg, status1, '执行失败:' + text)
        self.assertIn(self.con.cm_switchover_success_msg, status2,
                      '执行失败:' + text)
        LOG.info(f'-----{os.path.basename(__file__)} end-----')
